Tripeak Grade 5, Si3N4 Hybrid Ceramic Bearings w/ black oxide，#17287 (17 x 28 x 7 mm)

Upgrade your bike's performance with the Tripeak Grade 5 Si₃N₄ Hybrid Ceramic Bearing #17287, engineered for riders who demand exceptional efficiency, durability, and reliability. Featuring premium Grade 5 Silicon Nitride (Si₃N₄) ceramic balls, precision-machined steel races, and a black oxide coating on the inner and outer races, this bearing delivers ultra-smooth rotation while providing enhanced resistance to corrosion and harsh riding conditions.

Designed with LLB (Low-Lip Contact) seals, it effectively keeps out dirt, dust, and moisture without creating unnecessary drag. Whether used in wheel hubs, freehubs, or other compatible bicycle components, the Tripeak #17287 bearing ensures lower rolling resistance, longer service life, and consistently smooth performance on every ride.

Grade 5 Si₃N₄ Hybrid Ceramic Balls for reduced friction and maximum efficiency.
Black Oxide Coating improves corrosion resistance and extends bearing life.
Precision Steel Races ensure smooth, accurate, and durable rotation.
Low-Resistance LLB Seals protect against water, dust, and contaminants while maintaining excellent rolling performance.
Lower Rolling Resistance helps convert more pedaling power into forward motion.
Excellent Heat and Wear Resistance for consistent performance under demanding conditions.
Ideal for High-Performance Cycling, including road, gravel, MTB, and racing applications.